2001-04-13 Alan Modra <amodra@one.net.au>
+ * elfos.h (SELECT_SECTION): Undef before defining.
+ * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
+ (LIB_SPEC): Remove -lmilli.
+ (DBX_REGISTER_NUMBER): Remove.
+ (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
+ (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
+ NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
+ DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
+ ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
+ ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
+ TARGET_GAS): Define.
+ * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
+ (function_arg): If TARGET_ELF32, pass fp args in both general and fp
+ regs if we don't have a prototype.
+ * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
+ * pa.h (TARGET_ELF32): Default to 0 if undefined.
+ (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
+ EH_RETURN_HANDLER_RTX): Define.
+ * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
+ (DWARF_FRAME_REGNUM): Define.
+ * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
+ * pa32-linux.h: New file.
+ * pa64-linux.h: New file.
+
* pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
(ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
(LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
/* Definitions for PA_RISC with ELF format
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* FIXME - this doesn't seem to be used anywhere */
-#define LINUX_DEFAULT_ELF
-
-#undef SIZE_TYPE
-#define SIZE_TYPE "unsigned int"
-
-#undef PTRDIFF_TYPE
-#define PTRDIFF_TYPE "int"
+/* Use DWARF2 debugging info and unwind. */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+#define DWARF2_ASM_LINE_DEBUG_INFO 1
+#define DWARF2_UNWIND_INFO 1
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-D__ELF__ -Dunix -D__hppa__ -Dlinux -Asystem=unix -Asystem=posix -Acpu=hppa -Amachine=hppa -Amachine=bigendian"
-#undef CPP_SPEC
-#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}\
- %{msnake:-D_PA_RISC1_1}\
- %{mpa-risc-1-1:-D_PA_RISC1_1}"
-
#undef LIB_SPEC
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} -lmilli"
-
-/* How to renumber registers for dbx and gdb.
-
- It is entirely possible linux will use a different numbering scheme.
- Until we know for sure, it's the same as hpux, osf & bsd, but we're
- ready if it needs to be different.
-
- Registers 0 - 31 remain unchanged.
-
- Registers 32 - 87 are mapped to 72 - 127
-
- Register 88 is mapped to 32. */
-
-#define DBX_REGISTER_NUMBER(REGNO) \
- ((REGNO) <= 31 ? (REGNO) : \
- ((REGNO) > 31 && (REGNO) <= 87 ? (REGNO) + 40 : 32))
+#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+
+#undef ASM_SPEC
+#define ASM_SPEC \
+ "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
+
+/* Define this for shared library support because it isn't in the main
+ linux.h file. */
+
+#undef LINK_SPEC
+#define LINK_SPEC "\
+ %{shared:-shared} \
+ %{!shared: \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
+ %{static:-static}}"
+
+/* Sibcalls, stubs, and elf sections don't play well. */
+#undef FUNCTION_OK_FOR_SIBCALL
+#define FUNCTION_OK_FOR_SIBCALL(x) 0
+
+/* glibc's profiling functions don't need gcc to allocate counters. */
+#define NO_PROFILE_COUNTERS 1
+
+/* Put plabels into the data section so we can relocate them. */
+#undef SELECT_RTX_SECTION
+#define SELECT_RTX_SECTION(MODE,RTX) \
+ if (flag_pic && function_label_operand (RTX, MODE)) \
+ data_section (); \
+ else \
+ readonly_data_section ();
+
+/* A C expression whose value is RTL representing the location of the
+ incoming return address at the beginning of any function, before the
+ prologue. */
+#define INCOMING_RETURN_ADDR_RTX (gen_rtx_REG (word_mode, 2))
+#define DWARF_FRAME_RETURN_COLUMN (DWARF_FRAME_REGNUM (2))
+
+/* Define the strings used for the special svr4 .type and .size directives.
+ These strings generally do not vary from one system running svr4 to
+ another, but if a given system (e.g. m88k running svr) needs to use
+ different pseudo-op names for these, they may be overridden in the
+ file which includes this one. */
+
+#undef STRING_ASM_OP
+#define STRING_ASM_OP ".stringz"
+
+#define TEXT_SECTION_ASM_OP "\t.text"
+#define DATA_SECTION_ASM_OP "\t.data"
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
+
+/* Output at beginning of assembler file. We override the definition
+ from <linux.h> so that we can get the proper .LEVEL directive. */
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+ do \
+ { \
+ if (write_symbols != NO_DEBUG) \
+ { \
+ output_file_directive (FILE, main_input_filename); \
+ fputs ("\t.version\t\"01.01\"\n", FILE); \
+ } \
+ if (TARGET_64BIT) \
+ fputs("\t.LEVEL 2.0w\n", FILE); \
+ else if (TARGET_PA_20) \
+ fputs("\t.LEVEL 2.0\n", FILE); \
+ else if (TARGET_PA_11) \
+ fputs("\t.LEVEL 1.1\n", FILE); \
+ else \
+ fputs("\t.LEVEL 1.0\n", FILE); \
+ if (profile_flag) \
+ fputs ("\t.IMPORT _mcount, CODE\n", FILE); \
+ } \
+ while (0)
+
+/* Output a definition */
+#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
+ do \
+ { \
+ fprintf ((FILE), "\t%s\t", SET_ASM_OP); \
+ assemble_name (FILE, LABEL1); \
+ fprintf (FILE, ","); \
+ assemble_name (FILE, LABEL2); \
+ fprintf (FILE, "\n"); \
+ } \
+ while (0)
+
+/* Define these to generate the Linux/ELF/SysV style of internal
+ labels all the time - i.e. to be compatible with
+ ASM_GENERATE_INTERNAL_LABEL in <elfos.h>. Compare these with the
+ ones in pa.h and note the lack of dollar signs in these. FIXME:
+ shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
+
+#undef ASM_OUTPUT_ADDR_VEC_ELT
+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
+ if (TARGET_BIG_SWITCH) \
+ fprintf (FILE, "\tstw %%r1,-16(%%r30)\n\tldil LR'.L%d,%%r1\n\tbe RR'.L%d(%%sr4,%%r1)\n\tldw -16(%%r30),%%r1\n", VALUE, VALUE); \
+ else \
+ fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
+
+#undef ASM_OUTPUT_ADDR_DIFF_ELT
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
+ if (TARGET_BIG_SWITCH) \
+ fprintf (FILE, "\tstw %%r1,-16(%%r30)\n\tldw T'.L%d(%%r19),%%r1\n\tbv %%r0(%%r1)\n\tldw -16(%%r30),%%r1\n", VALUE); \
+ else \
+ fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
+
+/* This is how to output the definition of a user-level label named NAME,
+ such as the label on a static function or variable NAME. */
+
+#undef ASM_OUTPUT_LABEL
+#define ASM_OUTPUT_LABEL(FILE, NAME) \
+ do \
+ { \
+ assemble_name (FILE, NAME); \
+ fputs (":\n", FILE); \
+ } \
+ while (0)
+
+/* NOTE: ASM_OUTPUT_INTERNAL_LABEL() is defined for us by elfos.h, and
+ does what we want (i.e. uses colons). It must be compatible with
+ ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */
+
+#undef ASM_GLOBALIZE_LABEL
+#define ASM_GLOBALIZE_LABEL(FILE, NAME) \
+ (fputs (".globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))
+
+/* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
+ labels in a function declaration (since pa.c seems determined to do
+ it differently) */
+
+#undef ASM_DECLARE_FUNCTION_NAME
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+ do \
+ { \
+ fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
+ putc ('\n', FILE); \
+ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
+ } \
+ while (0)
+
+/* Linux always uses gas. */
+#undef TARGET_GAS
+#define TARGET_GAS 1
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